> For the complete documentation index, see [llms.txt](https://docs.blanksquare.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.blanksquare.io/key-concepts.md).

# Key Concepts

- [Fixing Privacy in web3](https://docs.blanksquare.io/key-concepts/fixing-privacy-in-web3.md): Why Usable Privacy is the Missing Layer in Web3
- [Shielding](https://docs.blanksquare.io/key-concepts/shielded-pools.md)
- [Shielded Yield](https://docs.blanksquare.io/key-concepts/shielded-pools/shielded-yield.md)
- [Shielded Trading](https://docs.blanksquare.io/key-concepts/shielded-pools/shielded-trading.md)
- [Shielder-SDK](https://docs.blanksquare.io/key-concepts/shielder-sdk.md)
- [Fraud protection](https://docs.blanksquare.io/key-concepts/fraud-protection.md)